> Just curious has anyone done comparisons of latency measurements as one
> changes the size of a job. That is changing the size of the job (and number
> of nodes used) and just taking the half roundtrip latency of two of the
> processes in the job. I am roughly seeing an addition of 5% to the latency
> for each node added. This is with the TCP and Udapl BTLs. I am curious
> whether other BTLs have similar issues and if doing some sort of directed
> polling would help matters?